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ClinicalTrials.gov public records Last synced Oct 17, 2026, 11:46 PM EDT

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Showing 73–96 of 130 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: trimethoprim-sulfamethoxazole Clear all
Completed Phase 1 Interventional

Induction Therapy With Cytarabine, High-Dose Mitoxantrone and Dasatinib for Patients With Philadelphia-Chromosome Positive (Ph+) Acute Lymphoblastic Leukemia

NCT00940524
View directory record Official record
Conditions
Leukemia, Acute Lymphoblastic Leukemia
Interventions
Dasatinib, Mitoxantrone, Cytarabine
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 10, 2014 · Synced Oct 17, 2026, 11:46 PM EDT
Completed Phase 3 Interventional

A Controlled Trial Comparing the Efficacy of Aerosolized Pentamidine and Parenteral/Oral Sulfamethoxazole-Trimethoprim in the Treatment of Pneumocystis Carinii Pneumonia in AIDS

NCT00000715
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Pentamidine isethionate, Sulfamethoxazole-Trimethoprim
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1991
U.S. locations
9
States / cities
New Orleans, Louisiana • Boston, Massachusetts • New York, New York + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 17, 2026, 11:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of 3 Versus 10 Days of Antibiotics in Skin Abscesses After Surgical Drainage

NCT02024867
View directory record Official record
Conditions
Skin Disease, Bacterial, Abscess
Interventions
Trimethoprim-Sulfamethoxazole
Drug
Lead sponsor
Lucy Holmes, MD
Other
Eligibility
3 Months to 17 Years
Enrollment
249 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 19, 2015 · Synced Oct 17, 2026, 11:46 PM EDT
Completed Phase 1 Interventional

VNP20009 in Treating Patients With Advanced or Metastatic Solid Tumors That Have Not Responded to Previous Therapy

NCT00004216
View directory record Official record
Conditions
Unspecified Adult Solid Tumor, Protocol Specific
Interventions
salmonella VNP20009, cefixime, ceftriaxone sodium, ciprofloxacin, trimethoprim-sulfamethoxazole
Biological · Drug
Lead sponsor
Vion Pharmaceuticals
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2008
U.S. locations
3
States / cities
Boston, Massachusetts • Cleveland, Ohio • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Oct 17, 2026, 11:46 PM EDT
Terminated Phase 3 Interventional Results available

CleanUP IPF for the Pulmonary Trials Cooperative

NCT02759120
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis
Interventions
Antimicrobial therapy: Co-trimoxazole or Doxycycline, No Intervention: Standard of Care
Drug · Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
40 Years and older
Enrollment
513 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
31
States / cities
Birmingham, Alabama • Tucson, Arizona • Sacramento, California + 22 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Oct 17, 2026, 11:46 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Steroid-Free Versus Steroid-Based Immunosuppression in Pediatric Renal (Kidney) Transplantation

NCT00141037
View directory record Official record
Conditions
Kidney Diseases, Kidney Transplantation, Kidney Transplant, Renal Transplantation, Renal Transplant
Interventions
Daclizumab, Mycophenolate mofetil (MMF), Prednisone, Tacrolimus, Ganciclovir, Valganciclovir, Trimethoprim and sulfamethoxazole
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Up to 21 Years
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
12
States / cities
Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2016 · Synced Oct 17, 2026, 11:46 PM EDT
Completed Phase 4 Interventional

Gradual Initiation of Sulfamethoxazole/Trimethoprim as Primary Pneumocystis Carinii Pneumonia Prophylaxis

NCT00000816
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Sulfamethoxazole-Trimethoprim
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
370 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1996
U.S. locations
40
States / cities
Los Angeles, California • Palo Alto, California • San Francisco, California + 26 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 17, 2026, 11:46 PM EDT
Completed Phase 1 Interventional

11C-Trimethoprim PET/CT Imaging to Evaluate Biodistribution and Kinetics in Human Subjects

NCT03424525
View directory record Official record
Conditions
Bacterial Infections
Interventions
11C-Trimethoprim
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 23, 2026 · Synced Oct 17, 2026, 11:46 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Use of Prophylactic Antibiotics Prior to OnabotulinumtoxinA

NCT05519072
View directory record Official record
Conditions
Antibiotic Prophylaxis
Interventions
Nitrofurantoin
Drug
Lead sponsor
Atlantic Health System
Other
Eligibility
18 Years and older · Female only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Morristown, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 27, 2024 · Synced Oct 17, 2026, 11:46 PM EDT
Withdrawn Phase 4 Interventional

Corticosteroids Therapy and Pneumocystis Jirovecii Pneumonia (PCP)

NCT00636935
View directory record Official record
Conditions
Pneumocystis Carinii Pneumonia
Interventions
Antibiotics only, Antibiotics + Corticosteroids, Corticosteroids + antibiotics
Drug
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 27, 2017 · Synced Oct 17, 2026, 11:46 PM EDT
Completed Phase 3 Interventional Results available

Ceftazidime-Avibactam Compared With Doripenem Followed by Oral Therapy for Hospitalized Adults With Complicated UTIs (Urinary Tract Infections)

NCT01599806
View directory record Official record
Conditions
Complicated Urinary Tract Infection (cUTI) Including Acute Pyelonephritis
Interventions
Ceftazidime - Avibactam ( CAZ-AVI), Doripenem, Either switch to oral therapy: 500 mg of Ciprofloxacin (oral), or switch to oral therapy: 800 mg/160 mg of sulfamethoxazole/trimethoprim (oral)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 90 Years
Enrollment
641 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
3
States / cities
Detroit, Michigan • St Louis, Missouri • Indiana, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 6, 2017 · Synced Oct 17, 2026, 11:46 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

TEMPO Study: Trimethoprim-Sulfamethoxazole in Granulomatosis With Polyangiitis

NCT03919435
View directory record Official record
Conditions
Granulomatosis With Polyangiitis, Wegener Granulomatosis
Interventions
Trimethoprim Sulfamethoxazole
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 17, 2026, 11:46 PM EDT
Completed Not applicable Interventional

Pediatric Kidney Transplant Without Calcineurin Inhibitors

NCT00023231
View directory record Official record
Conditions
End-Stage Renal Disease
Interventions
Daclizumab, Methylprednisolone/prednisone, Mycophenolate mofetil, Sirolimus, Bactrim, Ganciclovir, Lipitor
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Up to 21 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 21, 2016 · Synced Oct 17, 2026, 11:46 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Effects of Treatments on Atopic Dermatitis

NCT01631617
View directory record Official record
Conditions
Eczema, Dermatitis, Skin Diseases, Genetic, Dermatitis, Atopic, Skin Diseases
Interventions
Trimethoprim/sulfamethoxazole (TMP/SMZ), Cephalexin, Doxycycline, Sodium hypochlorite, Placebo capsules, Placebo Sodium hypochlorite
Drug · Other
Lead sponsor
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH
Eligibility
2 Years to 50 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 17, 2026, 11:46 PM EDT
Active, not recruiting Early Phase 1 Interventional

Collaborative Urological Prosthetics Investigation Directive Research Group

NCT05100654
View directory record Official record
Conditions
Erectile Dysfunction, Penile Prosthesis Infection
Interventions
Doxycycline, Ciprofloxacin, Augmentin, Bactrim
Drug
Lead sponsor
University of Chicago
Other
Eligibility
35 Years to 90 Years · Male only
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Oct 17, 2026, 11:46 PM EDT
Completed Not applicable Interventional

Improving Drug Adherence Among Adolescents in Uganda Using SMS Reminders

NCT02128087
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
Two-way SMS intervention, One-way SMS intervention group
Behavioral
Lead sponsor
RAND
Other
Eligibility
15 Years to 24 Years
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Apr 14, 2017 · Synced Oct 17, 2026, 11:46 PM EDT
Completed Phase 3 Interventional

Vancomycin Or Trimethoprim/Sulfamethoxazole for Methicillin-resistant Staphylococcus Aureus Osteomyelitis

NCT00324922
View directory record Official record
Conditions
Osteomyelitis, Methicillin-resistant Staphylococcus Aureus
Interventions
trimethoprim-sulfamethoxazole, vancomycin
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 11, 2023 · Synced Oct 17, 2026, 11:46 PM EDT
Completed Phase 3 Interventional

Study of Rezafungin Compared to Standard Antimicrobial Regimen for Prevention of Invasive Fungal Diseases in Adults Undergoing Allogeneic Blood and Marrow Transplantation

NCT04368559
View directory record Official record
Conditions
Candidemia, Mycoses, Fungal Infection, Fungemia, Invasive Candidiasis, Pneumocystis, Mold Infection, Invasive Fungal Disease, Prophylaxis of Invasive Fungal Infections, Aspergillus
Interventions
Rezafungin for Injection, Posaconazole, Fluconazole, Trimethoprim-sulfamethoxazole (TMP/SMX), Intravenous Placebo, Oral Placebo
Drug
Lead sponsor
Mundipharma Research Limited
Industry
Eligibility
18 Years and older
Enrollment
602 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
18
States / cities
Birmingham, Alabama • Los Angeles, California • Stanford, California + 13 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 17, 2026, 11:46 PM EDT
Completed Phase 2 Interventional

A Randomized, Double-Blind Study of 566C80 Versus Septra (Sulfamethoxazole/Trimethoprim) for the Treatment of Pneumocystis Carinii Pneumonia in AIDS Patients

NCT00000655
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Atovaquone, Sulfamethoxazole-Trimethoprim
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
27
States / cities
Birmingham, Alabama • Harbor City, California • Los Angeles, California + 15 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2011 · Synced Oct 17, 2026, 11:46 PM EDT
Completed Phase 3 Interventional Results available

Management of Skin and Soft Tissue Abscesses in Pediatric Patients After Incision and Drainage

NCT00691600
View directory record Official record
Conditions
Abscess
Interventions
oral trimethoprim/sulfamethoxazole, Placebo
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
90 Days to 18 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 1, 2020 · Synced Oct 17, 2026, 11:46 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Antibiotic Resistance and Microbiome in Children Aged 6-59 Months in Nouna, Burkina Faso

NCT03187834
View directory record Official record
Conditions
Child Development
Interventions
Azithromycin, Amoxicillin, Cotrimoxazole, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
6 Months to 59 Months
Enrollment
252 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 2, 2023 · Synced Oct 17, 2026, 11:46 PM EDT
Withdrawn Phase 2 Interventional

Probiotics for Girls With Recurring Urinary Tract Infections

NCT00789464
View directory record Official record
Conditions
Recurrent Urinary Tract Infection
Interventions
Lactobacillus reuteri DSM 17938, trimethoprim/sulfamethoxazole
Dietary Supplement · Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
3 Months to 17 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 18, 2020 · Synced Oct 17, 2026, 11:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Single Dose Monurol for Treatment of Acute Cystitis

NCT00976963
View directory record Official record
Conditions
Urinary Tract Infection
Interventions
TMP/SMX, Fosfomycin
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 5, 2023 · Synced Oct 17, 2026, 11:46 PM EDT
Recruiting Phase 2 Interventional

Early Vedolizumab as First-Line for Immune-Related Colitis Therapy Trial

NCT06841705
View directory record Official record
Conditions
Immune Checkpoint Inhibitor-Related Colitis
Interventions
Vedolizumab 300 MG Injection [Entyvio], Prednisone (and methylprednisolone), Prednisone Taper, Placebo Prednisone Capsules, Placebo Vedolizumab, Sulfamethoxazole-Trimethoprim, Placebo for Sulfamethoxazole-Trimethoprim
Drug · Other
Lead sponsor
Shilpa Grover, MD, MPH
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Oct 17, 2026, 11:46 PM EDT